Diatoms of North AmericaDiatoms of North America
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Compare Diploneis doncharlesii

Lange-Bert. and Fuhrmann 2020

Compare

Diploneis krammeri is more elliptic and has a more expanded central area.

Diploneis calcicolafrequens is smaller and has a narrower central area.

Diploneis petersiana has more elliptic-lanceolate valves and less radiate striae.

Diploneis nevrovae has less broadly rounded ends and a higher density of areolae, 15–18 in 10 μm.

LM scalebar = 10 µm
Diploneis doncharlesii LM1 Diploneis doncharlesii LM2
Length Range
33-44 µm
Width Range
14-16 µm
Striae in 10 µm
13-14

Diploneis krammeri

Lange-Bert. and E.Reichardt in Rumrich et al. 2000

Diploneis krammeri LM4 Diploneis krammeri LM5 Diploneis krammeri LM6
Length Range
31-49 µm
Width Range
15-16 µm
Striae in 10 µm
11-12

Diploneis calcicolafrequens

Lange-Bert. and Fuhrmann 2020

Diploneis calcicolafrequens LM1 Diploneis calcicolafrequens LM2 Diploneis calcicolafrequens LM3 Diploneis calcicolafrequens LM4 Diploneis calcicolafrequens LM5 Diploneis calcicolafrequens LM6 Diploneis calcicolafrequens LM8
Length Range
14.6-28.9 µm
Width Range
8.4-11 µm
Striae in 10 µm
11-14

Diploneis potapovae

Lange-Bert., Fuhrmann and Cantonati 2020

Diploneis potapovae LM1 Diploneis potapovae LM8 Diploneis potapovae LM3 Diploneis potapovae LM4 Diploneis potapovae LM7
Length Range
15-24.5 µm
Width Range
8.3-9.0 µm
Striae in 10 µm
15-17

Diploneis boldtiana

Cleve 1891

Diploneis boldtiana LM1 Diploneis boldtiana LM2 Diploneis boldtiana LM3 Diploneis boldtiana LM4 Diploneis Boldtiana LM5 Diploneis boldtiana LM6
Length Range
17.5–37.5 µm
Width Range
10-11.5 µm
Striae in 10 µm
14-15

Diploneis mollenhaueri

Lange-Bert. and Fuhrmann 2020

Diploneis mollenhaueri LM1 Diploneis mollenhaueri LM2 Diploneis mollenhaueri LM3
Length Range
46-60 µm
Width Range
20-21.5 µm
Striae in 10 µm
12-13

Also compare to

Diploneis peetersiana

Lange-Bert. and Fuhrmann

Diploneis nevrovae

Lange-Bert. and Fuhrmann